* add connect_as, username, password parameters
add tests
* fixed reference to undefined variable.
added version added to new options.
* add changelog fragment
* fix line endings
* use ansible facts to determine os version
remove unused iis version check
test checksum of iis configuration after backup
* correct assertion
* added more cleanup tasks.
* version added is now 2.10
* skip server 2008 r2 for now
* run tests on server 2012 and higher
